1154740253 has 2 divisors, whose sum is σ = 1154740254. Its totient is φ = 1154740252.

The previous prime is 1154740229. The next prime is 1154740331. The reversal of 1154740253 is 3520474511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773006809 + 381733444 = 27803^2 + 19538^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154740253 - 2⁸ = 1154739997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154743253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577370126 + 577370127.

It is an arithmetic number, because the mean of its divisors is an integer number (577370127).

Almost surely, 2^1154740253 is an apocalyptic number.

It is an amenable number.

1154740253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154740253 is an equidigital number, since it uses as much as digits as its factorization.

1154740253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1154740253 is about 33981.4692589947. The cubic root of 1154740253 is about 1049.1270909930.

The spelling of 1154740253 in words is "one billion, one hundred fifty-four million, seven hundred forty thousand, two hundred fifty-three".